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warning about too many open figures
...) will remove a specific figure instance from the pylab state machine (plt._pylab_helpers.Gcf) and allow it to be garbage collected.
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Comparing strings with == which are declared final in Java
...llowing byte code:
Code:
0: ldc #2; //String str
2: astore_1
3: ldc #3; //String ing
5: astore_2
6: new #4; //class java/lang/StringBuilder
9: dup
10: invokespecial #5; //Method java/lang/StringBuilder."<init>":()V
13: aload_1
14: invo...
Adding Core Data to existing iPhone project
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All the CoreData header files are imported in App_Prefix.pch, so the CoreData classes will be available throughout your Project, so you don't have to manually import the header in the files you need them.
So open up Xcode and look for some file like App_Prefix.pch, by defa...
How to rename items in values() in Django?
... could use the extra method:
MyModel.objects.extra(
select={
'renamed_value': 'cryptic_value_name'
}
).values(
'renamed_value'
)
This basically does SELECT cryptic_value_name AS renamed_value in the SQL.
Another option, if you always want the renamed version but the db has the cryptic nam...
Is it possible to move/rename files in Git and maintain their history?
...
64
I suspect this is a performance consideration. If you don't need the full history, it will sure take longer time scanning the content. The ...
sed or awk: delete n lines following a pattern
...
Explanation:
-v regex="$regex" -v count="$count" defines awk variables based on shell variables of the same name.
$0 ~ regex matches the line of interest
{ skip=count; next } initializes the skip count and proceeds to the next line, effectively skipping the matching line; in the 2nd solution, t...
Functional programming - is immutability expensive? [closed]
...sure a small subset of the tasks a program have to do, and pick a solution based on mutability to boot -- such as measuring quicksort.
To put it simply, you don't quicksort when using purely functional languages.
Let's consider this from another angle. Let's consider these two functions:
// Versi...
Why are dashes preferred for CSS selectors / HTML attributes?
...
@AndrewVit, there are CLI based editors where double-clicking isn't relevant (since there's usually no mouse) and that can be configured to have this kind of behavior. But in general, you're right. The |= attribute selector is made specifically for th...
MySql Table Insert if not exist otherwise update
...me=[hash_name]) l
limit 1;
This example is cribbed from one of my databases, with the input parameters (two names and a number) replaced with [hasher_name], [hash_name], and [new_value]. The nested SELECT...LIMIT 1 pulls the first of either the existing record or a new record (last_recogs.id i...
Python Nose Import Error
...
You've got an __init__.py in your top level directory. That makes it a package. If you remove it, your nosetests should work.
If you don't remove it, you'll have to change your import to import dir.foo, where dir is the name of your dire...